diff --git a/tests/suites/test_suite_debug.function b/tests/suites/test_suite_debug.function
index b9610406bb..c96e305d4f 100644
--- a/tests/suites/test_suite_debug.function
+++ b/tests/suites/test_suite_debug.function
@@ -2,6 +2,7 @@
 #include "mbedtls/debug.h"
 #include "string.h"
 #include "mbedtls/pk.h"
+#include <test/ssl_helpers.h>
 
 struct buffer_data {
     char buf[2000];
@@ -65,6 +66,8 @@ void debug_print_msg_threshold(int threshold, int level, char *file,
     memset(buffer.buf, 0, 2000);
     buffer.ptr = buffer.buf;
 
+    mbedtls_ssl_conf_rng(&conf, rng_get, NULL);
+
     mbedtls_ssl_config_defaults(&conf,
                                 MBEDTLS_SSL_IS_CLIENT,
                                 MBEDTLS_SSL_TRANSPORT_STREAM,
@@ -103,6 +106,8 @@ void mbedtls_debug_print_ret(char *file, int line, char *text, int value,
     memset(buffer.buf, 0, 2000);
     buffer.ptr = buffer.buf;
 
+    mbedtls_ssl_conf_rng(&conf, rng_get, NULL);
+
     mbedtls_ssl_config_defaults(&conf,
                                 MBEDTLS_SSL_IS_CLIENT,
                                 MBEDTLS_SSL_TRANSPORT_STREAM,
@@ -138,6 +143,8 @@ void mbedtls_debug_print_buf(char *file, int line, char *text,
     memset(buffer.buf, 0, 2000);
     buffer.ptr = buffer.buf;
 
+    mbedtls_ssl_conf_rng(&conf, rng_get, NULL);
+
     mbedtls_ssl_config_defaults(&conf,
                                 MBEDTLS_SSL_IS_CLIENT,
                                 MBEDTLS_SSL_TRANSPORT_STREAM,
@@ -175,6 +182,8 @@ void mbedtls_debug_print_crt(char *crt_file, char *file, int line,
     memset(buffer.buf, 0, 2000);
     buffer.ptr = buffer.buf;
 
+    mbedtls_ssl_conf_rng(&conf, rng_get, NULL);
+
     mbedtls_ssl_config_defaults(&conf,
                                 MBEDTLS_SSL_IS_CLIENT,
                                 MBEDTLS_SSL_TRANSPORT_STREAM,
@@ -214,6 +223,8 @@ void mbedtls_debug_print_mpi(char *value, char *file, int line,
     memset(buffer.buf, 0, 2000);
     buffer.ptr = buffer.buf;
 
+    mbedtls_ssl_conf_rng(&conf, rng_get, NULL);
+
     mbedtls_ssl_config_defaults(&conf,
                                 MBEDTLS_SSL_IS_CLIENT,
                                 MBEDTLS_SSL_TRANSPORT_STREAM,